MCQ
The ore that is concentrated by froth floatation process is $.........$
- ✓Cinnabar.
- BBauxite.
- CMalachite.
- DZineite.
✓
Answer
Correct option: A.
Cinnabar.
Ores which are concentrated by froth floatation process include Galena $(\text{PbS}),$ zinc blende $(\text{ZnS})$ and cinnabar $(\text{HgS}).$
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